California Water Supply Infrastructure

Natural: rivers, snowpack, aquifers Aqueducts, canals, pipelines, pumping plants Surface storage (dams, reservoirs) Groundwater extraction and recharge Urban: treatment, storm water capture, desalination

California Aqueduct (DWR)

2 . http://www.california-map.org

Geographical Features

Sacramento River Valley

San Joaquin River Valley

Tulare Basin

Kern County

Imperial County

Los Angeles area

Delta

San Francisco area

Coastal Range

Colorado River

Water Accounting in California Average Usage Agriculture: 33 MAF Urban: 9 MAF Some sources of supply State Water Project: 3 MAF Federal Water Project: 8 MAF Colorado River: 5 MAF Ground water: 15 MAF Other from local projects and reuse

3

Water Supply Example: Irvine Ranch Water District

380,000 residents

Local streams

Recycling (non-potable)

Imported by MWD

Local groundwater pumping (OCWD)

Remote groundwater banking

Desalination (future)

Water Sources for IRWD

Role of Infrastructure in Water Transfers

river or aqueduct

Major California Water Projects

Federal, State and local

(California Water Plan: Update 2013)

Red Bluff Diversion Dam (Red Bluff Daily News)

Shasta Dam and lake (Anthony Dunn)

Sacramento River (placesonline.com)

Oroville Dam and lake (California DWR)

Delta scene (DWR)

Lower left: Harvey O. Banks Pumping Plant (baydeltalive.com)

Lower right: Federal and State Aqueducts (Wikipedia)

Left: Sacramento – San Joaquin Delta (Wikipedia)

Friant Dam and Millerton lake (USBR)

San Joaquin River (www.alamy.com) San Luis Reservoir (California DWR)

Castaic Dam And Lake (California DWR)

Edmonston Pumping Plant (mavens- photoblog.com)

Los Angeles Aqueduct (mohavedual- sport.com) above (LADWP) right

Lake Havasu Pumping Plant for CRA (Charles O’Rear) Colorado River Aqueduct (media.treehugger.com)

All American Canal Diversion Dam (USBR) All American Canal (Brent Stirton)

California Reservoirs • More than 1000 • Total capacity: 40+ MAF • Top 12: 20+ MAF

(Wikipedia)

Ground Water Banks

(www.semitropic.com)

0.00.51.01.52.02.5

2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015

MAF

Calendar year

Colorado River Aqueduct

AvailableDiverted

(Data: USBR)

0.00.51.01.52.02.5

2005 2006 2007 2008 2009 2010 2011 2012 2013 2014

MAF

Calendar year

State Aqueduct

AvailableDelivered

(Data: DWR)

Annual Water Imports by Metropolitan Water District

Sacramento-San Joaquin Delta

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(http://www.ppic.org/main/ publication.asp?i=671)

22 (California DWR)

Delta Elevation Map

23

(http://www.water.ca.gov/ floodmgmt/dsmo/sab/drmsp/ docs/Risk_Report_Section_5_ Final.pdf)

Proposed Tunnel Underneath the Delta

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(http://www.baydeltaconservationplan.com)